8
Maintenance
Cala KNX M-T push button
• Version: 13.09.2019 • Technical changes and errors excepted.
2.5. Notes on mounting and commissioning
Never expose the device to water (e.g. rain) or dust. This can damage the electronics.
You must not exceed a relative humidity of 95%. Avoid condensation.
After the bus voltage has been applied, the device will enter an initialisation phase last-
ing a few seconds. During this phase no information can be received or sent via the
bus.
3.
Maintenance
Ventilation slits must not be dirty of covered. As a rule, it is sufficient to wipe the device
with a soft, dry cloth as required.
